Study

Module 8 DBA

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  • What is a comet and where do comets come from?
    small, icy body with a tail. Only visible near sun. Describe tail and gas reaction.
  • A meteor is approximately 9 billion kilometers from the sun. What is the Au distance?
    6.8 AU
    .06 AU
    60 AU
    6000 AU
  • What direction does the moon orbit earth?
    superficially
    clockwise
    waning apogee
    counterclockwise
  • Name the planets in order starting with the sun.
    Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto if you like
  • What fuels the energy in our sun?
    Fusion of Hydrogen atoms
  • Which part of its orbit is the planet traveling at the slowest speed?
    B
    A
    D
    C
  • What causes moon phases and what is it we see from earth?
    alignment of earth, moon, sun. Reflection of light from sun.
  • Why does a feather fall slower than a ball?
    Air friction slows down the feather
    gravity is not the same
    gravitational pull depends on size of falling object
    the ball has more mass
  • Explain why lunar and solar eclipses do not happen every cycle.
    Has to do with orbital plane and the tilt of moon so does not always line up.
  • What are the different divisions of the planets?
    Terrestrial planets and Jovian planets
    Living and non living planets
    Bigger more massive ones and the smaller less dense ones
    Mountain and gas planets